package com.bowen.gulimall.product.config;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.cache.CacheProperties;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.CacheKeyPrefix;
import org.springframework.data.redis.cache.RedisCacheConfiguration;
import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.RedisSerializationContext;
import org.springframework.data.redis.serializer.StringRedisSerializer;

import java.time.Duration;

@Configuration
@EnableCaching
@EnableConfigurationProperties(CacheProperties.class)
public class MyCacheConfig {

    @Autowired
    CacheProperties cacheProperties;

    /**
     * 配置文件中的文件没有用到
     *
     * @return
     */
    @Bean
    RedisCacheConfiguration redisCacheConfiguration() {
        RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig();

//        config.entryTtl(Duration.ofHours(1));
//        config.computePrefixWith(new CacheKeyPrefix() {
//            @Override
//            public String compute(String s) {
//                s = "CACHE_";
//                return s;
//            }
//        });

        CacheProperties.Redis redis = cacheProperties.getRedis();
        config = config.serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(new StringRedisSerializer()));
        config = config.serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(new GenericJackson2JsonRedisSerializer()));
        //将配置文件中的所有配置都生效

        if (redis.getTimeToLive() != null) {
            config = config.entryTtl(redis.getTimeToLive());
        }
        if (redis.getKeyPrefix() != null) {
            config = config.prefixKeysWith(redis.getKeyPrefix());
        }
        if (!redis.isCacheNullValues()) {
            config = config.disableCachingNullValues();
        }
        if (!redis.isUseKeyPrefix()) {
            config = config.disableKeyPrefix();
        }

        return config;
    }
}
